Surly Tuggnut

Ever stomp on the pedals just to have your rear wheel slide forward in the dropouts and throw your chain? We have, using all kinds of hubs in all kinds of frames. There are lots of BMX-style tensioners out there, but few of them fit in our dropouts without some serious grinding. So, we decided to design a chain tensioner that will keep that rear wheel static in our dropouts, and most other kinds of rear-facing horizontal dropouts. Plus, ours will open up a bottle o' brew.

Key Features

Investment cast of stainless steel for durability and good looks

Thumbscrew, for tool-free adjustments

2 axle holes for a wide range of fore/aft wheel positions

Aluminium adapter that reduces the axle hole from 10mm to 6mm, so you can use it with quick-release axles in addition to nutted axles